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    Answers and rating deltas for
    R programming tutorial > How do I subset for either columns when I calculate the mean?
| Author | Votes | Δ | 
|---|---|---|
| Raghuveer Machiraju | 1 | +2.85 | 
| linog | 1 | +2.30 | 
| Ronak Shah | 0 | -0.64 | 
Last visited: Sep 5, 2020, 12:36:14 PM